Changed signout page to use iframes. Fixed #22
Changed signout page to use iframes. Fixed #22

rfavillejr/Thinktecture.IdentityServer.v2,IdentityServer/IdentityServer2,kjnilsson/Thinktecture.IdentityServer.v2,kjnilsson/Thinktecture.IdentityServer.v2,IdentityServer/IdentityServer2,rfavillejr/Thinktecture.IdentityServer.v2,kjnilsson/Thinktecture.IdentityServer.v2,IdentityServer/IdentityServer2,rfavillejr/Thinktecture.IdentityServer.v2